261245112

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{265493}}^1$

素因数の和:265543

約数の個数: 32

約数和(自身を含む): 669044880

約数和(自身を除く): 407799768

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 265493, 530986, 796479, 1061972, 1592958, 2123944, 3185916, 6371832, 10885213, 21770426, 32655639, 43540852, 65311278, 87081704, 130622556, 261245112]

約数ペア:

[(1, 261245112), (2, 130622556), (3, 87081704), (4, 65311278), (6, 43540852), (8, 32655639), (12, 21770426), (24, 10885213), (41, 6371832), (82, 3185916), (123, 2123944), (164, 1592958), (246, 1061972), (328, 796479), (492, 530986), (984, 265493)]